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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P32297 New Search
5PDB entries
5Biological assembly
23chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
4ZK4 Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with 7-(5-isopropoxy-pyridin-3-yl)-1-methyl-1,7-diaza-spiro[4.4]nonane Deposited 2015-04-29 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain B 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain C 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain D 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain E 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Not recorded MG MAGNESIUM ION × 2 SO4 SULFATE ION × 5 PG4 TETRAETHYLENE GLYCOL × 1 TII (5R)-1-methyl-7-[5-(propan-2-yloxy)pyridin-3-yl]-1,7-diazaspiro[4.4]nonane × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；1.7% PEG400, 0.085 M HEPES sodium, pH 7.5, 1.7 M ammonium sulfate, 15% glycerol
Resolution 1.90 Å R-free 0.212
5SYO Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with Cytisine Deposited 2016-08-11 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain B 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain C 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain D 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain E 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Not recorded C5E (1R,5S)-1,2,3,4,5,6-HEXAHYDRO-8H-1,5-METHANOPYRIDO[1,2-A][1,5]DIAZOCIN-8-ONE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；1.7% PEG 400, 0.085 M HEPES - Na pH 7.5, 1.7 M Ammonium Sulfate, 15% Glycerol
Resolution 2.00 Å R-free 0.227
5TVC Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with (E,2S)-N-methyl-5-(5-phenoxy-3-pyridyl)pent-4-en-2-amine (TI-5312) Deposited 2016-11-08 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain B 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain C 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain D 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Chain E 215–230（16 aa） Fragment：UNP residues 18-198 + 215-236 from Aplysia californica linked by loop C (UNP residues 215-230) from Homo sapiens
Not recorded SO4 SULFATE ION × 6 1PE PENTAETHYLENE GLYCOL × 1 7LB (E,2S)-N-methyl-5-(5-phenoxy-3-pyridyl)pent-4-en-2-amine × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；313 K；1.7% PEG 400, 0.085 M HEPES - Na pH 7.5, 1.7 M Ammonium Sulfate, 15% Glycerol
Resolution 1.93 Å R-free 0.225
6PV7 Human alpha3beta4 nicotinic acetylcholine receptor in complex with nicotine Deposited 2019-07-19 Assembly 1 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain A 32–378（347 aa）
Chain A 434–505（72 aa）
Chain D 32–378（347 aa）
Chain D 434–505（72 aa）
Not recorded NCT (S)-3-(1-METHYLPYRROLIDIN-2-YL)PYRIDINE × 2 Y01 CHOLESTEROL HEMISUCCINATE × 10 NA SODIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 DD9 nonane × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；4 second blot
Resolution 3.34 Å
6PV8 Human alpha3beta4 nicotinic acetylcholine receptor in complex with AT-1001 Deposited 2019-07-19 Assembly 1 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain A 32–378（347 aa）
Chain A 434–505（72 aa）
Chain D 32–378（347 aa）
Chain D 434–505（72 aa）
Not recorded P1M (3-endo)-N-(2-bromophenyl)-9-methyl-9-azabicyclo[3.3.1]nonan-3-amine × 2 Y01 CHOLESTEROL HEMISUCCINATE × 10 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 NA SODIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；4 second blot
Resolution 3.87 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.